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Jerry Kelly Heating & Air Conditioning After working in the heating and cooling business for twelve years, Jerry Kelly and his wife Janet opened their own company in 1977. They started Jerry Kelly Heating and Air Conditioning in a white and green brick building in the historic Frenchtown district of Saint Charles, Missouri. With five technicians and a lot of used trucks, Jerry and his team forged a tradition that still stands to this day, "We don't just say '24-hour service', we follow through."



This same building remains our home, and we've added our custom duct fabrication facility down the street. Jerry is now retired, but Jerry's daughter Jill and her husband Steve Miles are involved with every aspect of the business. Jerry and Janet Kelly are enjoying their retirement, but still play important roles in the company and the St. Charles community. And three of the five original technicians remain a part of our 50-plus team of managers, install techs, service techs, customer service representatives, dispatchers, and comfort specialists.
Highlights and features
  • Installation Services, Residential HVAC, Maintenance Services, Cooling Services, Repair Services, Heating Services, Replacement Services, Indoor Air Quality, Systems & Equipment
Associations and certifications
  • National Comfort Institute
  • North American Technician Excellence
Videos
Jerry Kelly Winter commercial 2010
Jerry Kelly Winter commercial 2010
Jerry Kelly Heating and Air Conditionings new winter commercial with the same background music, but different wording.
Tracey's Testimonial of Jerry Kelly HVAC
Tracey's Testimonial of Jerry Kelly HVAC
Tracey was very happy with the service that she received from us that she wished to do a video testimonial. We arrived at her home one hour after she called us to repair her air conditioner.
Noises a Heat Pump Make
Noises a Heat Pump Make
http://www.jerrykelly.com We get many calls from concerned customers thinking they are having a problem with their heat pumps. Heat pumps in general are a great way to save money but they can be noisy. In this video we let you hear the normal process as a heat pumps goes into defrost mode.
Brazing with Nitrogen
Brazing with Nitrogen
http://www.jerrykelly.com, We show the benefits of using nitrogen when soldering air conditioning copper lines. It is possible to damage your air conditioning system by not using inert gas. Scale can be formed inside the copper lines and with R-410a refrigerant it is more important than ever not to have it inside the lines.
How to Change the Aprilaire 5000 Media Filter
How to Change the Aprilaire 5000 Media Filter
This video is the step by step procedures on how to change an Aprilaire 5000 media filter.
Saint Charles Heating Repairs and Maintenance - Jerry Kelly Heating and Air Conditioning
Saint Charles Heating Repairs and Maintenance - Jerry Kelly Heating and Air Conditioning
Jerry Kelly Heating and Air Conditioning is one of Missouri's most trusted heating and cooling contractors. Since 1977, we've been providing comfort solutions for residential homes to St. Charles and the surrounding West County area.
Saint Charles Cooling Services - Jerry Kelly Heating and Air Conditioning
Saint Charles Cooling Services - Jerry Kelly Heating and Air Conditioning
Jerry Kelly Heating and Air Conditioning is one of Missouri's most trusted heating and cooling contractors. Since 1977, we've been providing comfort solutions for residential homes in St. Charles and the surrounding West County area. Our core belief above anything else is to satisfy every customer and to stand behind the products and services we provide.
Heating Services in Saint Charles, MO - Jerry Kelly Heating and Air Conditioning
Heating Services in Saint Charles, MO - Jerry Kelly Heating and Air Conditioning
Jerry Kelly Heating and Air Conditioning is one of Missouri's most trusted heating and cooling contractors. Since 1977, we've been providing comfort solutions for residential homes to St. Charles and the surrounding West County area. Our core belief above anything else is to satisfy every customer and to stand behind the products and services we provide.
Heating and Air Conditioning Products in Saint Charles, MO
Heating and Air Conditioning Products in Saint Charles, MO
Jerry Kelly Heating and Air Conditioning is one of Missouri's most trusted heating and cooling contractors. Since 1977, we've been providing comfort solutions for residential homes to St. Charles and the surrounding West County area. Our core belief above anything else is to satisfy every customer and to stand behind the products and services we provide.
Cooling Repairs and Maintenance in Saint Charles, MO - Jerry Kelly Heating and Air Conditioning
Cooling Repairs and Maintenance in Saint Charles, MO - Jerry Kelly Heating and Air Conditioning
Jerry Kelly Heating and Air Conditioning is one of Missouri's most trusted heating and cooling contractors. Since 1977, we've been providing comfort solutions for residential homes in St. Charles and the surrounding West County area. Our core belief above anything else is to satisfy every customer and to stand behind the products and services we provide.
Reviews (21)
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David Stough
Aug 10, 2022
After a bad freon leak in the old A.C., it was time to purchase a whole new heat and A.C. system. Ronan from Jerry Kelly came out to do the diagnosis and set up the sales order and financing. He was very knowledgeable and took the extra time to make sure ha had every measurement and detail accounted for for an easy install. The installers were David and Ben and they were also fantastic.

The install was quick, very professional and they left the work area looking better than when they arrived. They made sure everything from the hardware, filters, thermostat, warranty, etc. was explained and that there were no questions. Thank you!
Michelle Fortner
Aug 10, 2022
Had a great experience with Jerry Kelly. I was able to get a service appointment the same day I called. John was a great help with figuring out what was wrong with the A/C. When it looked more and more like a new unit was the best option, John had James here quickly to go over options and get things scheduled. Both were great at explaining how and why things were done. Doug and Alex were here right on time for my install and were nothing but professional. Both showed me what they did and explained why. I would definitely call them for any future needs, but they did such a great job, I don't think I'll have any for awhile.
John Patrylo
Aug 10, 2022
Everyone on the phone was very polite when making my appointment and our service technician Tyler P. was very courteous and did an excellant job getting our furnace ready for the winter. Went over everything that he did showed me what needed to be done and got everything done in a timely manner. We'll always go with Jerry Kelly with all our AC and Furnace needs.
Joe Gustafson
Aug 10, 2022
Our air conditioner that we purchased from Jerry Kelley about 5 years ago was functioning fine until today. We called for service earlier today and they sent Ryan to the rescue. He is very friendly and explained in detail what the process would be to diagnose the problem. He is very professional and we would highly recommend him to others. Thank you Ryan for your assistance.
Sam Swofford
Aug 10, 2022
Korey T. came out to diagnose our AC never stopping. It was 59 degrees in our house. We called at 6:15 on a Monday. Korey was here by 6:45. He tested the compressor and the circuit board and finally diagnosed the problem as the thermostat. It was a Jerry Kelly thermostat with a lifetime warranty. He replaced it with a new one and since Jerry Kelly is a great company that stands by their work, there was no charge for the visit since it was caused by their product. We are JK customers for life.
Jim Bava
Aug 10, 2022
The technician, Kory, did a great job explaining everything to me and made sure my furnaces were tuned up properly for the winter. He also told me about a part that should be replaced in the future but did not pressure me to purchase the part now. The price charged was fair and reasonable for the service provided. I was appreciative that his work van was clearly marked and that he was neat and professional. I will use them again and do recommend them for your heating and AC questions.
Heide Plaster
Aug 10, 2022
John Cody was awesome!! He came to check on a loud start up sound that my new air conditioner was making. He checked everything outside as well as inside. He made a few adjustments inside and I am happy to report that I do not hear that horrible sound. Thank you John for your fast, thorough, and, most of all, your friendly service.
Robert Barclay
Aug 10, 2022
I called when my AC went out to have a new unit installed. Jose came to the house within an hour of me calling to give me a quote. Brandyn and Tyler showed up and did an outstanding job at installing everything! The new install looks extremely professional and done correctly. They made sure the system was up and running, and walked me through everything.
Clarence White
Aug 10, 2022
Outside unit had quit. Ryan arrived promptly at the scheduled time and immediately determined the cause. After replacing some components and testing to ensure the refrigerant was okay, the system was back up in less than an hour. Have used Jerry Kelly's staff for over 15-years and continue to do so,
Alan Heath
Aug 10, 2022
Graham arrived on time and went above and beyond to troubleshoot our furnace problem, locate the parts and materials and completed the repair quickly. Graham was knowledgeable and friendly. We would be happy to have him back in our home for any further issues. Thank you Graham and Jerry Kelly.
Danny Gustafson
Aug 10, 2022
Tons of good advice, very knowledgeable! Curtis and Keith showed me exactly what was wrong with my furnace and even went the extra mile to explain all the steps they took to fix it. I'll definitely be calling Jerry Kelly again for anything I need.
Kathleen Barrett
Jun 22, 2022
First representative Travis S. was professional, thorough and empathetic to my needs. He helped me review my options and choose the best one for me. So grateful. The emergency air conditioner was delivered by an awesome individual that waded thru my stuff to get me set up and cool down the house. Then, the install team came and Kyle G. and Austin were on time, professional, friendly, and completed the install so timely.

I was informed all the information I needed to know and able to ask as many questions I had. They were great and I am so happy. My Mom always chose Jerry Kelly and now, so do I! Thanks folks! Job well done!
Maggie Schroyer
Jun 20, 2022
I'm not sure I can convey in words how amazing this experience was. Our furnace (A/C) basically blew up on a day that was 97 degrees and the entire week had been the same. I knew nothing about A/C companies so I called 3 that were not going to be able to come out until the next day. I called Jerry Kelly and someone was able to come out a couple hours later.

It was determined that the motherboard had fried and the system needed to be replaced. Not only were they able to replace the unit the next day, until then, they had a window A/C unit delivered and installed so we could at least stay in our home over night. The installers showed up the next day timely, and were polite and got straight to work. The replacement only took about 2.5 hours.

They installed a new energy efficient thermostat and walked us through how to use the new one. We got an entire box of filters and they secured the condensation piping to the drain lid (minor but we thought it was just another bonus item that I'm not sure they HAD to do). They cleaned up like a cleaning crew would and so on and so on! So few times have I ever written a review online, but this 100% deserved it!
Darlene Blackford
Jun 16, 2022
We scheduled the appointment at 9:00pm the night before for a 12-4 time slot. At 11:45 Heath called and confirmed the address and the details of the problem. He promptly arrived with mask and foot coverings on. He diagnosed the air filter restricting flow as well as a coolest deficiency. He explained the various options and let us determine e the best resolution.

One hour later our cooking issue was resolved. Basically great service in a timely professional manner. I really appreciate the company investing in the program allowing to schedule appointments during non working hours.
Terri Brugnara
May 11, 2022
Our AC went out on a record heat day in May (figures, right!). We called Jerry Kelly (St Peters), spoke with Kristy who took our info down & quickly dispatched Heath to our house. We even received texts & emails from Jerry Kelly with the name & a photo of the serviceman prior to his arrival. Heath was awesome - very professional & diagnosed the problem quickly.

He explained everything that he was doing and I knew a general price range prior to him starting the work. He was very efficient & had our unit up & running in no time! This was the first time we used Jerry Kelly - we will definitely use them again in the future. And I highly recommend Heath!
Katy Schaefer
Apr 29, 2022
We have used Jerry Kelly for many years now and have always received quality service. Their team members are professional and courteous. Our most recent technician, Zach H, arrived within our requested time, and was very conscientious for the safety of my kids as he moved about, always securing the gate to the stairs and the home doors. He was courteous and did the maintenance work well.

He also offered thoughtful insights into upcoming and recommended maintenance that may be required, but was not at all pushy. Thanks for another good experience with Jerry Kelly!
Stacey Rosenberger
Mar 24, 2022
Another wonderful experience with Jerry Kelly! After speaking with Marc about our needs and pricing it out, they were able to send out installers the next day to install our new HVAC system. Derrick we knew from our water heater install (a terrific experience, as well). Ryan was new to us. Both were absolutely GREAT! They arrived on time, protected our carpet, and explained the process very well.

They were so pleasant to have in our house-- they kept their workplace very neat, they were friendly and respectful, and cleaned up thoroughly. I'm not surprised, like I said, because we've used Jerry Kelly before both for install and maintenance. But I'm always impressed with them. Highly recommended! No interest in using any other company!
Paul Wilke
Feb 27, 2022
We had a furnace tune up this morning. Justin R. was the tech and arrived before the four hour window because he was running ahead of schedule, which was nice. Justin recommended some additional things which we had him do and he explained everything up front. He was very professional and got the job done quickly and smoothly. Great service.
Jordan Stovik
Jan 29, 2022
We have had multiple services with Jerry Kelly this week and we are very happy with the customer service we received. First, we had a technician, Korey, come to our house and check our furnace as part of our annual maintenance plan. In this inspection, he noticed we had a very serious issue with our furnace requiring the furnace to be turned off with an immediate replacement deemed necessary.

He immediately gave us multiple quotes for different systems and was very honest about which systems he would recommend for us. He did not try to steer us in the most expensive direction, but just ensured we were getting what was right for us. Korey assured us that, although Jerry Kelly's estimate may be slightly higher than competitors, the products and installs are high quality with Jerry Kelly.

In addition to Korey, we spoke with his manager (Scott?) that day, and he was able to get us a good deal to match a quote we received from a competitor, giving us multiple options depending on our wants. The best part about Korey and Scott's service was that they would be able to install our new furnace the next morning thanks to the product stock they have on-hand.

The next day, Alex J., Ryan S., and Aaron K. arrived on time to our house to install our new furnace. They were courteous and professional, ensuring that they were working efficiently and making sure they were not in my wife's way, as she works from home. Post-install, Alex went over the functionality of our equipment with us and ensured the workspace was left clean. Ales, Ryan, and Aaron did an excellent job and I would highly recommend their team for major HVAC repair/replacement.
Ketra Sowell
Jan 26, 2022
Very disappointed about the visit I had yesterday. I called to schedule an appointment for maintenance. The advisor who arrived, Mark was very friendly and personable. Upon arrival he noticed that there was an issue with my system and a part needed to be replaced that is causing my heating unit to shut off and it gets extremely cold. Mind you, I moved in the home not to long ago as a single mom, first time home buyer and there is a HUGE sign on my system that gives details of my warranty.

I asked the tech was the part needed under warranty and he advised the warranty was not transferred upon me moving in my home and has since been voided. At that point I was livid and felt at what point was someone supposed to tell me this and this WAS NOT their first visit to my home! Definitely believe this company is deceitful and just about a dollar!

Very disappointed and was told, Well that's unfortunate!? Never informed of any process and feel swindled. Never again! Mind you my system is fairly new! UPDATE: Received a surprising call today about my visit yesterday. The office called today and states that they would honor my warranty and take care of the problem. They made me feel like my concerns were understood and apologized for the inconvenience and came out promptly to fix the issue. Steven was a wonderful representative and made sure everything was working properly before he left. Thanks to you guys, my son and I will sleep warm. Thank you for everything.
Natalie Morris
Dec 19, 2021
My whole experience was amazing. From the ease in which I scheduled it to getting a new unit installed was painless. Jerry A arrived early in my 4 hr window time-frame, and he was professional and informative and gave me all my options. The two technicians were able to come same day and arrived early as well in the given 4 hr window which was great! Alex and Kyle were awesome!

They were able to install my whole unit quicker than what I was quoted. They were efficient with the process and thorough in explaining what all they did. Definitely recommend Jerry Kelly for any of your heating and cooling needs!